.head-img{
    width: 100vw;
    height: 120px;
}
.head-img img{
    width: 100%;
    height: 120px;
}
.head-foot{
    width: 100vw;
    height: 40px;
    z-index: 9999;
    background-color: #333;
    
}
.head-nav{
    height: 40px;
    line-height: 40px;
    color: #b0b0b0;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
}
.head-nav li{
    padding: 0 7px;
}
.head-nav p{
    margin: 0;
    padding: 0;
    opacity: 0.3;
}
.gouwu{
    width: 120px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    color: #b0b0b0;
    background-color: rgba(200, 200, 200, 0.1);
    border: none;
    z-index: 999;
    cursor: pointer;
}
.head-nav li:hover{
    color: white;
}
.head-nav-right li:last-child{
    position: relative;
}
.mes{
    width: 400px;
    height: 80px;
    left: -280px;
    top: 42px;
    color: #555;
    background-color: white; 
    position: absolute;
    text-align: center;
    line-height: 80px;
    box-shadow: 0 0 2px #b0b0b0 ; 
    display: none;
    z-index: 998;
    opacity: 1;
}
.gouwu span:first-child{
    font-size: 15px;
}
.gouwu span:last-child{
    width: 119px;
    height: 4px;
    right: 1px;
    top: 40px;
    z-index: 999;
    background-color: white;
    position: absolute;
} 

